Six Flags Entertainment Corporation
FUN- Exchange
- NYSE
- Industry
- Services-Amusement & Recreation Services
- SEC CIK
- 0001999001
In the last 90 days, Six Flags Entertainment Corporation insiders filed 1 open-market purchase and 0 sales; 313 institutions reported holding it in 13F filings for Q2 2026, worth $2.32B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Six Flags Entertainment Corporation insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $248.3K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$248.3K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Six Flags Entertainment Corporation, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Reilly John T | President & CEO | 297,736 | Aug 12, 2026 | 3 |
| Walia Ashok | Chief Financial Officer | 107,333 | Jul 31, 2026 | 2 |
| Hoffman David R. | Chief Accounting Officer | 115,227 | Jul 31, 2026 | 3 |
| Bennett Christopher Lawrence | Chief Legal Officer | 46,697 | Jul 31, 2026 | 2 |
| Tastepe Tayfun | Chief Digital & Tech Officer | 42,694 | Jun 29, 2026 | 2 |
| Martin Ziegenfuss Amy | Chief Marketing Officer | 18,788 | Jun 29, 2026 | 1 |
| Jaffer Rehan | Director | 4,900,000Indirect | Jun 16, 2026 | 1 |
| Spiegel Marilyn G | Director | 15,161 | May 26, 2026 | 3 |
| Haddrill Richard M | Executive Chair | 230,117 | May 14, 2026 | 2 |
| Witherow Brian C | Chief Financial Officer | 297,765 | Feb 25, 2026 | 1 |
| Fisher Tim | Chief Operating Officer | 222,242 | Feb 25, 2026 | 1 |
| Nurse Brian | Chief Legal Officer | 79,092 | Feb 25, 2026 | 1 |
| Dieckmann Christian | Chief Commercial Officer | 37,404 | Feb 25, 2026 | 1 |
| Cochran Sandra B | Director | – | Jan 6, 2026 | 1 |
| Colglazier Michael A | Director | – | Jan 6, 2026 | 1 |
| Dutra Felipe | Director | 16,453 | Jan 6, 2026 | 1 |
| Huang Chieh E. | Director | – | Jan 6, 2026 | 1 |
| Mason Jennifer | Director | 26,129 | Jan 6, 2026 | 1 |
| Hoffman Steven E | Director | 13,473 | Jan 6, 2026 | 1 |
| Bassoul Selim A | Executive Chairman | 537,223 | Jan 5, 2026 | 1 |
| Hanrahan Daniel J | Director | 57,688 | Jan 5, 2026 | 1 |
| Carr Louis | Director | 15,245 | Dec 29, 2025 | 1 |
| Zimmerman Richard | President & CEO | 770,577 | Dec 9, 2025 | 1 |
| Olivet D Scott | Director | 41,144 | Jun 27, 2025 | 0 |
| Sauls Monica | Chief HR Officer | 34,473 | Jun 24, 2025 | 0 |
| Frymire Michelle M | Director | 7,162 | May 12, 2025 | 0 |
| White Robert Anderson | Chief Commercial Officer | 40,782 | May 6, 2025 | 0 |
| Ramirez Enrique | Director | 24,953 | Mar 28, 2025 | 0 |
| Bracey Esi Eggleston | Director | 28,520 | Mar 28, 2025 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 (view filing)4:43 PM ET | Aug 12 | Same day | Reilly John TPresident & CEO | PPurchaseCommon Stock, par value $0.01 per share | +15.7K | $15.80 | +$248.3K | +5.6%297.7K after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 12-15 | 4 days | Jaffer RehanDirector | PPurchaseCommon Stock, par value $0.01 per share | +250.0K | $23.55 | +$5.89M | +5.4%4.90M after | 2 lots |
| May 26, 2026 (view filing) | May 21 | 5 days | Spiegel Marilyn GDirector | PPurchaseCommon Stock, par value $0.01 per share | +2.50K | $19.10 | +$47.8K | +19.7%15.2K after | |
| May 14, 2026 (view filing) | May 12 | 2 days | Haddrill Richard MExecutive Chair | PPurchaseCommon Stock, par value $0.01 per share | +10.0K | $19.08 | +$190.8K | +4.5%230.1K after | |
| May 14, 2026 (view filing) | May 12 | 2 days | Spiegel Marilyn GDirector | PPurchaseCommon Stock, par value $0.01 per share | +2.50K | $19.13 | +$47.8K | +24.6%12.7K after | |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | Hoffman Steven EDirector | PPurchaseCommon Stock, par value $0.01 per share | +10.1K | $24.67 | +$248.1K | +294.5%13.5K after | 2 lots |
| May 12, 2025 (view filing) | May 12 | Same day | Frymire Michelle MDirector | SSaleCommon Stock, par value $0.01 per share | −5.93K | $37.89 | −$224.6K | −45.3%7.16K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Sauls MonicaChief HR Officer | SSaleCommon Stock, par value $0.01 per share | −1.16K | $37.83 | −$43.9K | −3.0%37.7K after | |
| Dec 16, 2024 (view filing) | Dec 13 | 3 days | White Robert AndersonChief Commercial Officer | SSaleCommon Stock, par value $0.01 per share | −11.1K | $46.16 | −$513.0K | −20.2%43.9K after |